I can file you can file he can file we can file you can file they can file
Forma con V-ing
I can be filing you can be filing he can be filing we can be filing you can be filing they can be filing
Perfecto
I can have filed you can have filed he can have filed we can have filed you can have filed they can have filed
Perfecto con V-ing
I can have been filing you can have been filing he can have been filing we can have been filing you can have been filing they can have been filing
Negación
Forma simple
I can't file you can't file he can't file we can't file you can't file they can't file
Forma con V-ing
I can't be filing you can't be filing he can't be filing we can't be filing you can't be filing they can't be filing
Perfecto
I can't have filed you can't have filed he can't have filed we can't have filed you can't have filed they can't have filed
Perfecto con V-ing
I can't have been filing you can't have been filing he can't have been filing we can't have been filing you can't have been filing they can't have been filing
Forma interrogativa
Forma simple
can I file? can you file? can he file? can we file? can you file? can they file?
Forma con V-ing
can I be filing? can you be filing? can he be filing? can we be filing? can you be filing? can they be filing?
Perfecto
can I have filed? can you have filed? can he have filed? can we have filed? can you have filed? can they have filed?
Perfecto con V-ing
can I have been filing? can you have been filing? can he have been filing? can we have been filing? can you have been filing? can they have been filing?
Forma interro-negativa
Forma simple
can't I file? can't you file? can't he file? can't we file? can't you file? can't they file?
Forma con V-ing
can't I be filing? can't you be filing? can't he be filing? can't we be filing? can't you be filing? can't they be filing?
Perfecto
can't I have filed? can't you have filed? can't he have filed? can't we have filed? can't you have filed? can't they have filed?
Perfecto con V-ing
can't I have been filing? can't you have been filing? can't he have been filing? can't we have been filing? can't you have been filing? can't they have been filing?